1 /* 2 3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux. 3 4 Written By: Adam Radford <aradford@gmail.com> 5 Modifications By: Tom Couch 6 7 Copyright (C) 2004-2009 Applied Micro Circuits Corporation. 8 Copyright (C) 2010 LSI Corporation. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; version 2 of the License. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 NO WARRANTY 20 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 21 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 22 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 23 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 24 solely responsible for determining the appropriateness of using and 25 distributing the Program and assumes all risks associated with its 26 exercise of rights under this Agreement, including but not limited to 27 the risks and costs of program errors, damage to or loss of data, 28 programs or equipment, and unavailability or interruption of operations. 29 30 DISCLAIMER OF LIABILITY 31 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 32 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 34 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 35 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 36 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 37 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 38 39 You should have received a copy of the GNU General Public License 40 along with this program; if not, write to the Free Software 41 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 42 43 Bugs/Comments/Suggestions should be mailed to: 44 aradford@gmail.com 45 */ 46 47 #ifndef _3W_9XXX_H 48 #define _3W_9XXX_H 49 50 /* AEN string type */ 51 typedef struct TAG_twa_message_type { 52 unsigned int code; 53 char* text; 54 } twa_message_type; 55 56 /* AEN strings */ 57 static twa_message_type twa_aen_table[] = { 58 {0x0000, "AEN queue empty"}, 59 {0x0001, "Controller reset occurred"}, 60 {0x0002, "Degraded unit detected"}, 61 {0x0003, "Controller error occurred"}, 62 {0x0004, "Background rebuild failed"}, 63 {0x0005, "Background rebuild done"}, 64 {0x0006, "Incomplete unit detected"}, 65 {0x0007, "Background initialize done"}, 66 {0x0008, "Unclean shutdown detected"}, 67 {0x0009, "Drive timeout detected"}, 68 {0x000A, "Drive error detected"}, 69 {0x000B, "Rebuild started"}, 70 {0x000C, "Background initialize started"}, 71 {0x000D, "Entire logical unit was deleted"}, 72 {0x000E, "Background initialize failed"}, 73 {0x000F, "SMART attribute exceeded threshold"}, 74 {0x0010, "Power supply reported AC under range"}, 75 {0x0011, "Power supply reported DC out of range"}, 76 {0x0012, "Power supply reported a malfunction"}, 77 {0x0013, "Power supply predicted malfunction"}, 78 {0x0014, "Battery charge is below threshold"}, 79 {0x0015, "Fan speed is below threshold"}, 80 {0x0016, "Temperature sensor is above threshold"}, 81 {0x0017, "Power supply was removed"}, 82 {0x0018, "Power supply was inserted"}, 83 {0x0019, "Drive was removed from a bay"}, 84 {0x001A, "Drive was inserted into a bay"}, 85 {0x001B, "Drive bay cover door was opened"}, 86 {0x001C, "Drive bay cover door was closed"}, 87 {0x001D, "Product case was opened"}, 88 {0x0020, "Prepare for shutdown (power-off)"}, 89 {0x0021, "Downgrade UDMA mode to lower speed"}, 90 {0x0022, "Upgrade UDMA mode to higher speed"}, 91 {0x0023, "Sector repair completed"}, 92 {0x0024, "Sbuf memory test failed"}, 93 {0x0025, "Error flushing cached write data to array"}, 94 {0x0026, "Drive reported data ECC error"}, 95 {0x0027, "DCB has checksum error"}, 96 {0x0028, "DCB version is unsupported"}, 97 {0x0029, "Background verify started"}, 98 {0x002A, "Background verify failed"}, 99 {0x002B, "Background verify done"}, 100 {0x002C, "Bad sector overwritten during rebuild"}, 101 {0x002D, "Background rebuild error on source drive"}, 102 {0x002E, "Replace failed because replacement drive too small"}, 103 {0x002F, "Verify failed because array was never initialized"}, 104 {0x0030, "Unsupported ATA drive"}, 105 {0x0031, "Synchronize host/controller time"}, 106 {0x0032, "Spare capacity is inadequate for some units"}, 107 {0x0033, "Background migration started"}, 108 {0x0034, "Background migration failed"}, 109 {0x0035, "Background migration done"}, 110 {0x0036, "Verify detected and fixed data/parity mismatch"}, 111 {0x0037, "SO-DIMM incompatible"}, 112 {0x0038, "SO-DIMM not detected"}, 113 {0x0039, "Corrected Sbuf ECC error"}, 114 {0x003A, "Drive power on reset detected"}, 115 {0x003B, "Background rebuild paused"}, 116 {0x003C, "Background initialize paused"}, 117 {0x003D, "Background verify paused"}, 118 {0x003E, "Background migration paused"}, 119 {0x003F, "Corrupt flash file system detected"}, 120 {0x0040, "Flash file system repaired"}, 121 {0x0041, "Unit number assignments were lost"}, 122 {0x0042, "Error during read of primary DCB"}, 123 {0x0043, "Latent error found in backup DCB"}, 124 {0x00FC, "Recovered/finished array membership update"}, 125 {0x00FD, "Handler lockup"}, 126 {0x00FE, "Retrying PCI transfer"}, 127 {0x00FF, "AEN queue is full"}, 128 {0xFFFFFFFF, (char*) 0} 129 }; 130 131 /* AEN severity table */ 132 static char *twa_aen_severity_table[] = 133 { 134 "None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0 135 }; 136 137 /* Error strings */ 138 static twa_message_type twa_error_table[] = { 139 {0x0100, "SGL entry contains zero data"}, 140 {0x0101, "Invalid command opcode"}, 141 {0x0102, "SGL entry has unaligned address"}, 142 {0x0103, "SGL size does not match command"}, 143 {0x0104, "SGL entry has illegal length"}, 144 {0x0105, "Command packet is not aligned"}, 145 {0x0106, "Invalid request ID"}, 146 {0x0107, "Duplicate request ID"}, 147 {0x0108, "ID not locked"}, 148 {0x0109, "LBA out of range"}, 149 {0x010A, "Logical unit not supported"}, 150 {0x010B, "Parameter table does not exist"}, 151 {0x010C, "Parameter index does not exist"}, 152 {0x010D, "Invalid field in CDB"}, 153 {0x010E, "Specified port has invalid drive"}, 154 {0x010F, "Parameter item size mismatch"}, 155 {0x0110, "Failed memory allocation"}, 156 {0x0111, "Memory request too large"}, 157 {0x0112, "Out of memory segments"}, 158 {0x0113, "Invalid address to deallocate"}, 159 {0x0114, "Out of memory"}, 160 {0x0115, "Out of heap"}, 161 {0x0120, "Double degrade"}, 162 {0x0121, "Drive not degraded"}, 163 {0x0122, "Reconstruct error"}, 164 {0x0123, "Replace not accepted"}, 165 {0x0124, "Replace drive capacity too small"}, 166 {0x0125, "Sector count not allowed"}, 167 {0x0126, "No spares left"}, 168 {0x0127, "Reconstruct error"}, 169 {0x0128, "Unit is offline"}, 170 {0x0129, "Cannot update status to DCB"}, 171 {0x0130, "Invalid stripe handle"}, 172 {0x0131, "Handle that was not locked"}, 173 {0x0132, "Handle that was not empty"}, 174 {0x0133, "Handle has different owner"}, 175 {0x0140, "IPR has parent"}, 176 {0x0150, "Illegal Pbuf address alignment"}, 177 {0x0151, "Illegal Pbuf transfer length"}, 178 {0x0152, "Illegal Sbuf address alignment"}, 179 {0x0153, "Illegal Sbuf transfer length"}, 180 {0x0160, "Command packet too large"}, 181 {0x0161, "SGL exceeds maximum length"}, 182 {0x0162, "SGL has too many entries"}, 183 {0x0170, "Insufficient resources for rebuilder"}, 184 {0x0171, "Verify error (data != parity)"}, 185 {0x0180, "Requested segment not in directory of this DCB"}, 186 {0x0181, "DCB segment has unsupported version"}, 187 {0x0182, "DCB segment has checksum error"}, 188 {0x0183, "DCB support (settings) segment invalid"}, 189 {0x0184, "DCB UDB (unit descriptor block) segment invalid"}, 190 {0x0185, "DCB GUID (globally unique identifier) segment invalid"}, 191 {0x01A0, "Could not clear Sbuf"}, 192 {0x01C0, "Flash identify failed"}, 193 {0x01C1, "Flash out of bounds"}, 194 {0x01C2, "Flash verify error"}, 195 {0x01C3, "Flash file object not found"}, 196 {0x01C4, "Flash file already present"}, 197 {0x01C5, "Flash file system full"}, 198 {0x01C6, "Flash file not present"}, 199 {0x01C7, "Flash file size error"}, 200 {0x01C8, "Bad flash file checksum"}, 201 {0x01CA, "Corrupt flash file system detected"}, 202 {0x01D0, "Invalid field in parameter list"}, 203 {0x01D1, "Parameter list length error"}, 204 {0x01D2, "Parameter item is not changeable"}, 205 {0x01D3, "Parameter item is not saveable"}, 206 {0x0200, "UDMA CRC error"}, 207 {0x0201, "Internal CRC error"}, 208 {0x0202, "Data ECC error"}, 209 {0x0203, "ADP level 1 error"}, 210 {0x0204, "Port timeout"}, 211 {0x0205, "Drive power on reset"}, 212 {0x0206, "ADP level 2 error"}, 213 {0x0207, "Soft reset failed"}, 214 {0x0208, "Drive not ready"}, 215 {0x0209, "Unclassified port error"}, 216 {0x020A, "Drive aborted command"}, 217 {0x0210, "Internal CRC error"}, 218 {0x0211, "PCI abort error"}, 219 {0x0212, "PCI parity error"}, 220 {0x0213, "Port handler error"}, 221 {0x0214, "Token interrupt count error"}, 222 {0x0215, "Timeout waiting for PCI transfer"}, 223 {0x0216, "Corrected buffer ECC"}, 224 {0x0217, "Uncorrected buffer ECC"}, 225 {0x0230, "Unsupported command during flash recovery"}, 226 {0x0231, "Next image buffer expected"}, 227 {0x0232, "Binary image architecture incompatible"}, 228 {0x0233, "Binary image has no signature"}, 229 {0x0234, "Binary image has bad checksum"}, 230 {0x0235, "Image downloaded overflowed buffer"}, 231 {0x0240, "I2C device not found"}, 232 {0x0241, "I2C transaction aborted"}, 233 {0x0242, "SO-DIMM parameter(s) incompatible using defaults"}, 234 {0x0243, "SO-DIMM unsupported"}, 235 {0x0248, "SPI transfer status error"}, 236 {0x0249, "SPI transfer timeout error"}, 237 {0x0250, "Invalid unit descriptor size in CreateUnit"}, 238 {0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"}, 239 {0x0252, "Invalid value in CreateUnit descriptor"}, 240 {0x0253, "Inadequate disk space to support descriptor in CreateUnit"}, 241 {0x0254, "Unable to create data channel for this unit descriptor"}, 242 {0x0255, "CreateUnit descriptor specifies a drive already in use"}, 243 {0x0256, "Unable to write configuration to all disks during CreateUnit"}, 244 {0x0257, "CreateUnit does not support this descriptor version"}, 245 {0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"}, 246 {0x0259, "Too many descriptors in CreateUnit"}, 247 {0x025A, "Invalid configuration specified in CreateUnit descriptor"}, 248 {0x025B, "Invalid LBA offset specified in CreateUnit descriptor"}, 249 {0x025C, "Invalid stripelet size specified in CreateUnit descriptor"}, 250 {0x0260, "SMART attribute exceeded threshold"}, 251 {0xFFFFFFFF, (char*) 0} 252 }; 253 254 /* Control register bit definitions */ 255 #define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000 256 #define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000 257 #define TW_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000 258 #define TW_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000 259 #define TW_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000 260 #define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000 261 #define TW_CONTROL_CLEAR_ERROR_STATUS 0x00000200 262 #define TW_CONTROL_ISSUE_SOFT_RESET 0x00000100 263 #define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080 264 #define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040 265 #define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020 266 #define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000 267 #define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000 268 #define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000 269 270 /* Status register bit definitions */ 271 #define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000 272 #define TW_STATUS_MINOR_VERSION_MASK 0x0F000000 273 #define TW_STATUS_PCI_PARITY_ERROR 0x00800000 274 #define TW_STATUS_QUEUE_ERROR 0x00400000 275 #define TW_STATUS_MICROCONTROLLER_ERROR 0x00200000 276 #define TW_STATUS_PCI_ABORT 0x00100000 277 #define TW_STATUS_HOST_INTERRUPT 0x00080000 278 #define TW_STATUS_ATTENTION_INTERRUPT 0x00040000 279 #define TW_STATUS_COMMAND_INTERRUPT 0x00020000 280 #define TW_STATUS_RESPONSE_INTERRUPT 0x00010000 281 #define TW_STATUS_COMMAND_QUEUE_FULL 0x00008000 282 #define TW_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000 283 #define TW_STATUS_MICROCONTROLLER_READY 0x00002000 284 #define TW_STATUS_COMMAND_QUEUE_EMPTY 0x00001000 285 #define TW_STATUS_EXPECTED_BITS 0x00002000 286 #define TW_STATUS_UNEXPECTED_BITS 0x00F00000 287 #define TW_STATUS_VALID_INTERRUPT 0x00DF0000 288 289 /* PCI related defines */ 290 #define TW_PCI_CLEAR_PARITY_ERRORS 0xc100 291 #define TW_PCI_CLEAR_PCI_ABORT 0x2000 292 293 /* Command packet opcodes used by the driver */ 294 #define TW_OP_INIT_CONNECTION 0x1 295 #define TW_OP_GET_PARAM 0x12 296 #define TW_OP_SET_PARAM 0x13 297 #define TW_OP_EXECUTE_SCSI 0x10 298 #define TW_OP_DOWNLOAD_FIRMWARE 0x16 299 #define TW_OP_RESET 0x1C 300 301 /* Asynchronous Event Notification (AEN) codes used by the driver */ 302 #define TW_AEN_QUEUE_EMPTY 0x0000 303 #define TW_AEN_SOFT_RESET 0x0001 304 #define TW_AEN_SYNC_TIME_WITH_HOST 0x031 305 #define TW_AEN_SEVERITY_ERROR 0x1 306 #define TW_AEN_SEVERITY_DEBUG 0x4 307 #define TW_AEN_NOT_RETRIEVED 0x1 308 #define TW_AEN_RETRIEVED 0x2 309 310 /* Command state defines */ 311 #define TW_S_INITIAL 0x1 /* Initial state */ 312 #define TW_S_STARTED 0x2 /* Id in use */ 313 #define TW_S_POSTED 0x4 /* Posted to the controller */ 314 #define TW_S_PENDING 0x8 /* Waiting to be posted in isr */ 315 #define TW_S_COMPLETED 0x10 /* Completed by isr */ 316 #define TW_S_FINISHED 0x20 /* I/O completely done */ 317 318 /* Compatibility defines */ 319 #define TW_9000_ARCH_ID 0x5 320 #define TW_CURRENT_DRIVER_SRL 35 321 #define TW_CURRENT_DRIVER_BUILD 0 322 #define TW_CURRENT_DRIVER_BRANCH 0 323 324 /* Misc defines */ 325 #define TW_9550SX_DRAIN_COMPLETED 0xFFFF 326 #define TW_SECTOR_SIZE 512 327 #define TW_ALIGNMENT_9000 4 /* 4 bytes */ 328 #define TW_ALIGNMENT_9000_SGL 0x3 329 #define TW_MAX_UNITS 16 330 #define TW_MAX_UNITS_9650SE 32 331 #define TW_INIT_MESSAGE_CREDITS 0x100 332 #define TW_INIT_COMMAND_PACKET_SIZE 0x3 333 #define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED 0x6 334 #define TW_EXTENDED_INIT_CONNECT 0x2 335 #define TW_BUNDLED_FW_SAFE_TO_FLASH 0x4 336 #define TW_CTLR_FW_RECOMMENDS_FLASH 0x8 337 #define TW_CTLR_FW_COMPATIBLE 0x2 338 #define TW_BASE_FW_SRL 24 339 #define TW_BASE_FW_BRANCH 0 340 #define TW_BASE_FW_BUILD 1 341 #define TW_FW_SRL_LUNS_SUPPORTED 28 342 #define TW_Q_LENGTH 256 343 #define TW_Q_START 0 344 #define TW_MAX_SLOT 32 345 #define TW_MAX_RESET_TRIES 2 346 #define TW_MAX_CMDS_PER_LUN 254 347 #define TW_MAX_RESPONSE_DRAIN 256 348 #define TW_MAX_AEN_DRAIN 255 349 #define TW_IN_RESET 2 350 #define TW_USING_MSI 3 351 #define TW_IN_ATTENTION_LOOP 4 352 #define TW_MAX_SECTORS 256 353 #define TW_AEN_WAIT_TIME 1000 354 #define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */ 355 #define TW_MAX_CDB_LEN 16 356 #define TW_ISR_DONT_COMPLETE 2 357 #define TW_ISR_DONT_RESULT 3 358 #define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */ 359 #define TW_IOCTL_CHRDEV_FREE -1 360 #define TW_COMMAND_OFFSET 128 /* 128 bytes */ 361 #define TW_VERSION_TABLE 0x0402 362 #define TW_TIMEKEEP_TABLE 0x040A 363 #define TW_INFORMATION_TABLE 0x0403 364 #define TW_PARAM_FWVER 3 365 #define TW_PARAM_FWVER_LENGTH 16 366 #define TW_PARAM_BIOSVER 4 367 #define TW_PARAM_BIOSVER_LENGTH 16 368 #define TW_PARAM_PORTCOUNT 3 369 #define TW_PARAM_PORTCOUNT_LENGTH 1 370 #define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */ 371 #define TW_MAX_SENSE_LENGTH 256 372 #define TW_EVENT_SOURCE_AEN 0x1000 373 #define TW_EVENT_SOURCE_COMMAND 0x1001 374 #define TW_EVENT_SOURCE_PCHIP 0x1002 375 #define TW_EVENT_SOURCE_DRIVER 0x1003 376 #define TW_IOCTL_GET_COMPATIBILITY_INFO 0x101 377 #define TW_IOCTL_GET_LAST_EVENT 0x102 378 #define TW_IOCTL_GET_FIRST_EVENT 0x103 379 #define TW_IOCTL_GET_NEXT_EVENT 0x104 380 #define TW_IOCTL_GET_PREVIOUS_EVENT 0x105 381 #define TW_IOCTL_GET_LOCK 0x106 382 #define TW_IOCTL_RELEASE_LOCK 0x107 383 #define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108 384 #define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0x1001 // Not locked 385 #define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked 386 #define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0x1003 // No more events 387 #define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0x1004 // AEN clobber occurred 388 #define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address 389 #define TW_IOCTL_ERROR_OS_EINTR -EINTR // Interrupted system call 390 #define TW_IOCTL_ERROR_OS_EINVAL -EINVAL // Invalid argument 391 #define TW_IOCTL_ERROR_OS_ENOMEM -ENOMEM // Out of memory 392 #define TW_IOCTL_ERROR_OS_ERESTARTSYS -ERESTARTSYS // Restart system call 393 #define TW_IOCTL_ERROR_OS_EIO -EIO // I/O error 394 #define TW_IOCTL_ERROR_OS_ENOTTY -ENOTTY // Not a typewriter 395 #define TW_IOCTL_ERROR_OS_ENODEV -ENODEV // No such device 396 #define TW_ALLOCATION_LENGTH 128 397 #define TW_SENSE_DATA_LENGTH 18 398 #define TW_STATUS_CHECK_CONDITION 2 399 #define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x10a 400 #define TW_ERROR_UNIT_OFFLINE 0x128 401 #define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3 402 #define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4 403 #define TW_MESSAGE_SOURCE_LINUX_DRIVER 6 404 #define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER 405 #define TW_MESSAGE_SOURCE_LINUX_OS 9 406 #define TW_OS TW_MESSAGE_SOURCE_LINUX_OS 407 #ifndef PCI_DEVICE_ID_3WARE_9000 408 #define PCI_DEVICE_ID_3WARE_9000 0x1002 409 #endif 410 #ifndef PCI_DEVICE_ID_3WARE_9550SX 411 #define PCI_DEVICE_ID_3WARE_9550SX 0x1003 412 #endif 413 #ifndef PCI_DEVICE_ID_3WARE_9650SE 414 #define PCI_DEVICE_ID_3WARE_9650SE 0x1004 415 #endif 416 #ifndef PCI_DEVICE_ID_3WARE_9690SA 417 #define PCI_DEVICE_ID_3WARE_9690SA 0x1005 418 #endif 419 420 /* Bitmask macros to eliminate bitfields */ 421 422 /* opcode: 5, reserved: 3 */ 423 #define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f)) 424 #define TW_OP_OUT(x) (x & 0x1f) 425 426 /* opcode: 5, sgloffset: 3 */ 427 #define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f)) 428 #define TW_SGL_OUT(x) ((x >> 5) & 0x7) 429 430 /* severity: 3, reserved: 5 */ 431 #define TW_SEV_OUT(x) (x & 0x7) 432 433 /* reserved_1: 4, response_id: 8, reserved_2: 20 */ 434 #define TW_RESID_OUT(x) ((x >> 4) & 0xff) 435 436 /* request_id: 12, lun: 4 */ 437 #define TW_REQ_LUN_IN(lun, request_id) \ 438 (((lun << 12) & 0xf000) | (request_id & 0xfff)) 439 #define TW_LUN_OUT(lun) ((lun >> 12) & 0xf) 440 441 /* Macros */ 442 #define TW_CONTROL_REG_ADDR(x) (x->base_addr) 443 #define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4) 444 #define TW_COMMAND_QUEUE_REG_ADDR(x) \ 445 (sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8)) 446 #define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \ 447 ((unsigned char __iomem *)x->base_addr + 0x20) 448 #define TW_RESPONSE_QUEUE_REG_ADDR(x) \ 449 ((unsigned char __iomem *)x->base_addr + 0xC) 450 #define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \ 451 ((unsigned char __iomem *)x->base_addr + 0x30) 452 #define TW_CLEAR_ALL_INTERRUPTS(x) \ 453 (writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 454 #define TW_CLEAR_ATTENTION_INTERRUPT(x) \ 455 (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 456 #define TW_CLEAR_HOST_INTERRUPT(x) \ 457 (writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 458 #define TW_DISABLE_INTERRUPTS(x) \ 459 (writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 460 #define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \ 461 (writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ 462 TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | \ 463 TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 464 #define TW_MASK_COMMAND_INTERRUPT(x) \ 465 (writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 466 #define TW_UNMASK_COMMAND_INTERRUPT(x) \ 467 (writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x))) 468 #define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \ 469 TW_CONTROL_CLEAR_HOST_INTERRUPT | \ 470 TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \ 471 TW_CONTROL_MASK_COMMAND_INTERRUPT | \ 472 TW_CONTROL_MASK_RESPONSE_INTERRUPT | \ 473 TW_CONTROL_CLEAR_ERROR_STATUS | \ 474 TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x))) 475 #define TW_PRINTK(h,a,b,c) { \ 476 if (h) \ 477 printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \ 478 else \ 479 printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \ 480 } 481 #define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16) 482 #define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4) 483 #define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109) 484 #define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62) 485 #define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0) 486 #define TW_CPU_TO_SGL(x) (sizeof(dma_addr_t) > 4 ? cpu_to_le64(x) : cpu_to_le32(x)) 487 488 #pragma pack(1) 489 490 /* Scatter Gather List Entry */ 491 typedef struct TAG_TW_SG_Entry { 492 dma_addr_t address; 493 u32 length; 494 } TW_SG_Entry; 495 496 /* Command Packet */ 497 typedef struct TW_Command { 498 unsigned char opcode__sgloffset; 499 unsigned char size; 500 unsigned char request_id; 501 unsigned char unit__hostid; 502 /* Second DWORD */ 503 unsigned char status; 504 unsigned char flags; 505 union { 506 unsigned short block_count; 507 unsigned short parameter_count; 508 } byte6_offset; 509 union { 510 struct { 511 u32 lba; 512 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH]; 513 dma_addr_t padding; 514 } io; 515 struct { 516 TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH]; 517 u32 padding; 518 dma_addr_t padding2; 519 } param; 520 } byte8_offset; 521 } TW_Command; 522 523 /* Command Packet for 9000+ controllers */ 524 typedef struct TAG_TW_Command_Apache { 525 unsigned char opcode__reserved; 526 unsigned char unit; 527 unsigned short request_id__lunl; 528 unsigned char status; 529 unsigned char sgl_offset; 530 unsigned short sgl_entries__lunh; 531 unsigned char cdb[16]; 532 TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH]; 533 unsigned char padding[TW_PADDING_LENGTH]; 534 } TW_Command_Apache; 535 536 /* New command packet header */ 537 typedef struct TAG_TW_Command_Apache_Header { 538 unsigned char sense_data[TW_SENSE_DATA_LENGTH]; 539 struct { 540 char reserved[4]; 541 unsigned short error; 542 unsigned char padding; 543 unsigned char severity__reserved; 544 } status_block; 545 unsigned char err_specific_desc[98]; 546 struct { 547 unsigned char size_header; 548 unsigned short reserved; 549 unsigned char size_sense; 550 } header_desc; 551 } TW_Command_Apache_Header; 552 553 /* This struct is a union of the 2 command packets */ 554 typedef struct TAG_TW_Command_Full { 555 TW_Command_Apache_Header header; 556 union { 557 TW_Command oldcommand; 558 TW_Command_Apache newcommand; 559 } command; 560 } TW_Command_Full; 561 562 /* Initconnection structure */ 563 typedef struct TAG_TW_Initconnect { 564 unsigned char opcode__reserved; 565 unsigned char size; 566 unsigned char request_id; 567 unsigned char res2; 568 unsigned char status; 569 unsigned char flags; 570 unsigned short message_credits; 571 u32 features; 572 unsigned short fw_srl; 573 unsigned short fw_arch_id; 574 unsigned short fw_branch; 575 unsigned short fw_build; 576 u32 result; 577 } TW_Initconnect; 578 579 /* Event info structure */ 580 typedef struct TAG_TW_Event 581 { 582 unsigned int sequence_id; 583 unsigned int time_stamp_sec; 584 unsigned short aen_code; 585 unsigned char severity; 586 unsigned char retrieved; 587 unsigned char repeat_count; 588 unsigned char parameter_len; 589 unsigned char parameter_data[98]; 590 } TW_Event; 591 592 typedef struct TAG_TW_Ioctl_Driver_Command { 593 unsigned int control_code; 594 unsigned int status; 595 unsigned int unique_id; 596 unsigned int sequence_id; 597 unsigned int os_specific; 598 unsigned int buffer_length; 599 } TW_Ioctl_Driver_Command; 600 601 typedef struct TAG_TW_Ioctl_Apache { 602 TW_Ioctl_Driver_Command driver_command; 603 char padding[488]; 604 TW_Command_Full firmware_command; 605 char data_buffer[1]; 606 } TW_Ioctl_Buf_Apache; 607 608 /* Lock structure for ioctl get/release lock */ 609 typedef struct TAG_TW_Lock { 610 unsigned long timeout_msec; 611 unsigned long time_remaining_msec; 612 unsigned long force_flag; 613 } TW_Lock; 614 615 /* GetParam descriptor */ 616 typedef struct { 617 unsigned short table_id; 618 unsigned short parameter_id; 619 unsigned short parameter_size_bytes; 620 unsigned short actual_parameter_size_bytes; 621 unsigned char data[1]; 622 } TW_Param_Apache, *PTW_Param_Apache; 623 624 /* Response queue */ 625 typedef union TAG_TW_Response_Queue { 626 u32 response_id; 627 u32 value; 628 } TW_Response_Queue; 629 630 /* Compatibility information structure */ 631 typedef struct TAG_TW_Compatibility_Info 632 { 633 char driver_version[32]; 634 unsigned short working_srl; 635 unsigned short working_branch; 636 unsigned short working_build; 637 unsigned short driver_srl_high; 638 unsigned short driver_branch_high; 639 unsigned short driver_build_high; 640 unsigned short driver_srl_low; 641 unsigned short driver_branch_low; 642 unsigned short driver_build_low; 643 unsigned short fw_on_ctlr_srl; 644 unsigned short fw_on_ctlr_branch; 645 unsigned short fw_on_ctlr_build; 646 } TW_Compatibility_Info; 647 648 #pragma pack() 649 650 typedef struct TAG_TW_Device_Extension { 651 u32 __iomem *base_addr; 652 unsigned long *generic_buffer_virt[TW_Q_LENGTH]; 653 dma_addr_t generic_buffer_phys[TW_Q_LENGTH]; 654 TW_Command_Full *command_packet_virt[TW_Q_LENGTH]; 655 dma_addr_t command_packet_phys[TW_Q_LENGTH]; 656 struct pci_dev *tw_pci_dev; 657 struct scsi_cmnd *srb[TW_Q_LENGTH]; 658 unsigned char free_queue[TW_Q_LENGTH]; 659 unsigned char free_head; 660 unsigned char free_tail; 661 unsigned char pending_queue[TW_Q_LENGTH]; 662 unsigned char pending_head; 663 unsigned char pending_tail; 664 int state[TW_Q_LENGTH]; 665 unsigned int posted_request_count; 666 unsigned int max_posted_request_count; 667 unsigned int pending_request_count; 668 unsigned int max_pending_request_count; 669 unsigned int max_sgl_entries; 670 unsigned int sgl_entries; 671 unsigned int num_resets; 672 unsigned int sector_count; 673 unsigned int max_sector_count; 674 unsigned int aen_count; 675 struct Scsi_Host *host; 676 long flags; 677 int reset_print; 678 TW_Event *event_queue[TW_Q_LENGTH]; 679 unsigned char error_index; 680 unsigned char event_queue_wrapped; 681 unsigned int error_sequence_id; 682 int ioctl_sem_lock; 683 ktime_t ioctl_time; 684 int chrdev_request_id; 685 wait_queue_head_t ioctl_wqueue; 686 struct mutex ioctl_lock; 687 char aen_clobber; 688 TW_Compatibility_Info tw_compat_info; 689 } TW_Device_Extension; 690 691 #endif /* _3W_9XXX_H */ 692 693